The drop-in sink is typically known as a self-rimming sink or surface mounted sink and is normally installed in a vanity counter top. This style sink is quite widespread to older and newer construction and remodels alike. These sinks may be installed into any kind of counter top such as plastic laminate, stone, tiles or synthetic composite tops for example Corian® or Silestone®.
These sinks have a lip that’s over-sized to the hole and they just “drop in” a counter top and are pressure fit to the top surface with a clamp system from underneath. This creates a self trimming installation with out the use of a frame. The bathroom sink itself is normally made from porcelain enameled cast iron or vitreous china. (Kitchen sink versions are typically stainless steel). Plumbing waste and supply lines are concealed within the vanity base.
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